Buggy code:
void createWidget ( ) { } Color defaultBackground ( ) { } Color defaultForeground ( ) { } int defaultThemeFont ( ) { } public void deselect ( int index ) { } public void deselect ( int start , int end ) { } public void deselect ( int [ ] indices ) { } void deselect ( int [ ] ids , int count ) { } public void deselectAll ( ) { } void destroyItem ( TableColumn column ) { } void destroyItem ( TableItem item ) { } int drawItemProc ( int browser , int id , int property , int itemState , int theRect , int gdDepth , int colorDevice ) { } void fixScrollBar ( ) { } void fixSelection ( int index , boolean add ) { } int getBorder ( ) { } int getCheckColumnWidth ( ) { } public Rectangle getClientArea ( ) { } public TableColumn getColumn ( int index ) { } public int getColumnCount ( ) { } public int [ ] getColumnOrder ( ) { } public TableColumn [ ] getColumns ( ) { } int getGap ( ) { } public int getGridLineWidth ( ) { } public int getHeaderHeight ( ) { } public boolean getHeaderVisible ( ) { } int getInsetWidth ( ) { } public TableItem getItem ( int index ) { } public TableItem getItem ( Point point ) { } public int getItemCount ( ) { } public int getItemHeight ( ) { } public TableItem [ ] getItems ( ) { } public boolean getLinesVisible ( ) { } public TableItem [ ] getSelection ( ) { } public int getSelectionCount ( ) { } public int getSelectionIndex ( ) { } public int [ ] getSelectionIndices ( ) { } public TableColumn getSortColumn ( ) { } public int getSortDirection ( ) { } public int getTopIndex ( ) { } int helpProc ( int inControl , int inGlobalMouse , int inRequest , int outContentProvided , int ioHelpContent ) { } int hitTestProc ( int browser , int id , int property , int theRect , int mouseRect ) { } void hookEvents ( ) { } public int indexOf ( TableColumn column ) { } public int indexOf ( TableItem item ) { } public boolean isSelected ( int index ) { } int itemCompareProc ( ) { } int itemCompareProc ( int browser , int itemOne , int itemTwo , int sortProperty ) { } int itemDataProc ( int browser , int id , int property , int itemData , int setValue ) { } int itemNotificationProc ( int browser , int id , int message ) { } int kEventAccessibleGetNamedAttribute ( int nextHandler , int theEvent , int userData ) { int code = OS . CallNextEventHandler ( nextHandler , theEvent ) ; int [ ] ref = new int [ 1 ] ; OS . GetEventParameter ( theEvent , kEventParamAccessibleObject , typeCFTypeRef , null , 4 , null , ref ) ; int axuielementref = ref [ 0 ] ; DataBrowserAccessibilityItemInfo itemInfo = new DataBrowserAccessibilityItemInfo ( ) ; int err = OS . AXUIElementGetDataBrowserItemInfo ( axuielementref , handle , 0 , itemInfo ) ; if ( ( ( ( err == ( OS . noErr ) ) && ( ( itemInfo . v0_columnProperty ) != ( OS . kDataBrowserItemNoProperty ) ) ) && ( ( itemInfo . v0_item ) != ( OS . kDataBrowserNoItem ) ) ) && ( ( itemInfo . v0_propertyPart ) == ( OS . kDataBrowserPropertyEnclosingPart ) ) ) { int columnIndex = 0 ; for ( columnIndex = 0 ; columnIndex < ( columnCount ) ; columnIndex ++ ) { if ( ( columns [ columnIndex ] . id ) == ( itemInfo . v0_columnProperty ) ) break ; } <START_BUG> if ( columnIndex != ( columnCount ) ) { <END_BUG> int index = ( itemInfo . v0_item ) - 1 ; if ( ( 0 <= index ) && ( index < ( itemCount ) ) ) { TableItem tableItem = _getItem ( index ) ; int [ ] stringRef = new int [ 1 ] ; OS . GetEventParameter ( theEvent , kEventParamAccessibleAttributeName , typeCFStringRef , null , 4 , null , stringRef ) ; int length = 0 ; if ( ( stringRef [ 0 ] ) != 0 ) length = OS . CFStringGetLength ( stringRef [ 0 ] ) ; char [ ] buffer = new char [ length ] ; CFRange range = new CFRange ( ) ; range . length = length ; OS . CFStringGetCharacters ( stringRef [ 0 ] , range , buffer ) ; String attributeName = new String ( buffer ) ; if ( attributeName . equals ( kAXChildrenAttribute ) ) { int children = OS . CFArrayCreateMutable ( kCFAllocatorDefault , 0 , 0 ) ; OS . SetEventParameter ( theEvent , kEventParamAccessibleAttributeValue , typeCFMutableArrayRef , 4 , new int [ ] { children } ) ; OS . CFRelease ( children ) ; return OS . noErr ; } String text = null ; if ( attributeName . equals ( kAXRoleAttribute ) ) { text = OS . kAXStaticTextRole ; } if ( attributeName . equals ( kAXRoleDescriptionAttribute ) ) { buffer = new char [ kAXStaticTextRole . length ( ) ] ; kAXStaticTextRole . getChars ( 0 , buffer . length , buffer , 0 ) ; stringRef [ 0 ] = OS . CFStringCreateWithCharacters ( kCFAllocatorDefault , buffer , buffer . length ) ; if ( ( stringRef [ 0 ] ) != 0 ) { int stringRef2 = OS . HICopyAccessibilityRoleDescription ( stringRef [ 0 ] , 0 ) ; OS . SetEventParameter ( theEvent , kEventParamAccessibleAttributeValue , typeCFStringRef , 4 , new int [ ] { stringRef2 } ) ; OS . CFRelease ( stringRef [ 0 ] ) ; OS . CFRelease ( stringRef2 ) ; return OS . noErr ; }

Fix:
if ( ( columnIndex != ( columnCount ) ) || ( ( columnCount ) == 0 ) ) {